20160424 has 16 divisors (see below), whose sum is σ = 37862100. Its totient is φ = 10063872.

The previous prime is 20160403. The next prime is 20160433. The reversal of 20160424 is 42406102.

It can be written as a sum of positive squares in 2 ways, for example, as 20160100 + 324 = 4490^2 + 18^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392 + ... + 7720.

Almost surely, 2^20160424 is an apocalyptic number.

It is an amenable number.

20160424 is a deficient number, since it is larger than the sum of its proper divisors (17701676).

20160424 is a wasteful number, since it uses less digits than its factorization.

20160424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4088 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20160424 is about 4490.0360800332. The cubic root of 20160424 is about 272.1655926506.

Adding to 20160424 its reverse (42406102), we get a palindrome (62566526).

The spelling of 20160424 in words is "twenty million, one hundred sixty thousand, four hundred twenty-four".